Firefighters in Knox County responded to three calls within the span of an hour on Monday evening.

A blaze that was reported at 7:35 p.m. engulfed an apartment building at Walker Springs Apartments in West Knox County, according to Rural/Metro Fire Department spokesman Jeff Bagwell.

Crews arrived on the scene within six minutes and reported heavy flames coming from the front right side of the building, Bagwell said. Photos showed fire and smoke coming from the roof as firefighters sprayed water from an aerial platform.